<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>
<head>
    <title>Title</title>
</head>
<body>

${sessionScope.username }<br>
${sessionScope.password }

<form action="exit" method="post">

    <input type="submit" value="退出登录">

</form>

</body>
</html>
